| Liliaceae | |
Calochortus acuminatus
| Rydb. | Bull. Torrey Bot. Club 24(4): 189, pl. 301 | 1897 |
| Liliaceae | ** |
Calochortus albus
| Douglas ex Benth. | Trans. Hort. Soc. London, ser. 2 1(5): 413 | 1835 |
| Liliaceae | |
Calochortus albus
| (Benth.) Douglas ex Benth. | Botanist 2: no. 98 | 1838 |
| Liliaceae | |
Calochortus amabilis
| Purdy | Proc. Calif. Acad. Sci., ser. 3, 2(4): 119, pl. 19, f. 1 | 1901 |
| Liliaceae | |
Calochortus ambiguus
| (M.E. Jones) Ownbey | Ann. Missouri Bot. Gard. 27(4): 505, 507 | 1940 |
| Liliaceae | |
Calochortus amoenus
| Greene | Pittonia 2(8A): 71–72 | 1890 |
| Liliaceae | |
Calochortus apiculatus
| Baker | J. Linn. Soc., Bot. 14(76): 305 | 1874 |
| Liliaceae | |
Calochortus argillosus
| (Hoover) Zebell & P.L. Fiedl. | Madroño 39(4): 306 | 1992 |
| Liliaceae | |
Calochortus aureus
| S. Watson | Amer. Naturalist 7(5): 303 | 1873 |
| Liliaceae | |
Calochortus balsensis
| García-Mend. | Sida 14(4): 525–529, f. 1 | 1991 |
| Liliaceae | |
Calochortus barbatus
| (Kunth) J.H. Painter | Contr. U.S. Natl. Herb. 13(10): 348 | 1911 |
| Liliaceae | |
Calochortus benthamii
| Baker | J. Linn. Soc., Bot. 14(76): 304 | 1874 |
| Liliaceae | |
Calochortus bonplandianus
| Schult. f. | Syst. Veg. 7(2): 1532 | 1830 |
| Liliaceae | |
Calochortus bruneaunis
| A. Nelson & J.F. Macbr. | Bot. Gaz. 55(5): 372–373 | 1913 |
| Liliaceae | |
Calochortus caeruleus
| S. Watson | Proc. Amer. Acad. Arts 14: 263 | 1879 |
| Liliaceae | |
Calochortus campestris
| Davidson | Bull. S. Calif. Acad. Sci. 14: 12 | 1915 |
| Liliaceae | |
Calochortus catalinae
| S. Watson | Proc. Amer. Acad. Arts 14: 268 | 1879 |
| Liliaceae | |
Calochortus cernuus
| J.H. Painter | Contr. U.S. Natl. Herb. 13(10): 347 | 1911 |
| Liliaceae | |
Calochortus ciliatus
| B.L. Rob. & Seaton | Bot. Gaz. 18(6): 238 | 1893 |
| Liliaceae | |
Calochortus ciscoensis
| S.L. Welsh & N.D. Atwood | Utah Fl. (ed. 4) 923 | 2008 |
| Liliaceae | |
Calochortus citrinus
| Baker | Bot. Mag. 91: pl. 6200 | 1875 |
| Liliaceae | |
Calochortus clavatus
| S. Watson | Proc. Amer. Acad. Arts 14: 265 | 1879 |
| Liliaceae | |
Calochortus coeruleus
| (Kellogg) S. Watson | Proc. Amer. Acad. Arts 14: 263 | 1879 |
| Liliaceae | |
Calochortus collinus
| Lemmon | Erythea 3: 49 | 1895 |
| Liliaceae | |
Calochortus comosus
| A. Nelson | Bot. Gaz. 47(6): 425 | 1909 |
| Liliaceae | |
Calochortus concolor
| (Baker) Purdy & L.H. Bailey | Cycl. Amer. Hort. 1: 220 | 1900 |
| Liliaceae | ** |
Calochortus concolor
| (Baker) Purdy | Proc. Calif. Acad. Sci., ser. 3, 2(4): 135 | 1901 |
| Liliaceae | |
Calochortus coxii
| M.R. Godfrey & Callahan | Phytologia 65(3): 216–219, f. 1G–K | 1988 |
| Liliaceae | |
Calochortus cyaneus
| A. Nelson | Bot. Gaz. 53(3): 219–220 | 1912 |
| Liliaceae | |
Calochortus davidsonianus
| Abrams | Ill. Fl. Pacific States 1: 441, f. 1086 | 1923 |
| Liliaceae | |
Calochortus discolor
| Davidson | Bull. S. Calif. Acad. Sci. 14: 11 | 1915 |
| Liliaceae | |
Calochortus douglasianus
| Schult. f. | Bijdr. Natuurk. Wetensch. 4: 127 | 1829 |
| Liliaceae | |
Calochortus dunnii
| Purdy | Proc. Calif. Acad. Sci., ser. 3, 2(4): 147–148, pl. 19, f. 14, 17 | 1901 |
| Liliaceae | |
Calochortus elegans
| Pursh | Fl. Amer. Sept. 1: 240 | 1814 [1813] |
| Liliaceae | * |
Calochortus elegans
| Baker | J. Linn. Soc., Bot. 14: 305 | 1875 |
| Liliaceae | |
Calochortus englerianus
| hort. | Notizbl. Königl. Bot. Gart. Berlin 2: 318 | 1899 |
| Liliaceae | |
Calochortus eurycarpus
| S. Watson | Botany (Fortieth Parallel) 348 | 1871 |
| Liliaceae | |
Calochortus euumbellatus
| A. Nelson | Bot. Gaz. 54: Errata | 1912 |
| Liliaceae | |
Calochortus excavatus
| Greene | Pittonia 2(8A): 71 | 1890 |
| Liliaceae | |
Calochortus exilis
| J.H. Painter | Contr. U.S. Natl. Herb. 13(10): 346 | 1911 |
| Liliaceae | |
Calochortus fimbriatus
| H.P.McDonald | Herbertia 55: 41 | 2000 [2001] |
| Liliaceae | |
Calochortus flavus
| Schult. f. | Syst. Veg. 7(2): 1535 | 1830 |
| Liliaceae | |
Calochortus flexuosus
| S. Watson | Amer. Naturalist 7(5): 303 | 1873 |
| Liliaceae | |
Calochortus foliosus
| Ownbey | Ann. Missouri Bot. Gard. 27: 535–536, t. 41 | 1940 |
| Liliaceae | |
Calochortus fuscus
| Schult. f. | Bijdr. Natuurk. Wetensch. 4: 131 | 1829 |
| Liliaceae | |
Calochortus galei
| M. Peck | Torreya 28(3): 54 | 1928 |
| Liliaceae | |
Calochortus ghiesbreghtii
| S. Watson | Proc. Amer. Acad. Arts 14: 268 | 1879 |
| Liliaceae | |
Calochortus glaucus
| Regel | Gartenflora 24: 260, pl. 841, f. 1 | 1875 |
| Liliaceae | |
Calochortus grandiflorus
| (M. Martens & Galeotti) J.H. Painter | Contr. U.S. Natl. Herb. 13(10): 347 | 1911 |
| Liliaceae | |
Calochortus greenei
| S. Watson | Proc. Amer. Acad. Arts 14: 264 | 1879 |
| Liliaceae | |
Calochortus gunnisonii
| S. Watson | Botany (Fortieth Parallel) 348 | 1871 |
| Liliaceae | |
Calochortus hartwegii
| Benth. | Pl. Hartw. 26 | 1840 |
| Liliaceae | |
Calochortus hintonii
| Bullock ex Ownbey | Ann. Missouri Bot. Gard. 27: 524 | 1940 |
| Liliaceae | * |
Calochortus holtzei
| T. Durand & B.D. Jacks. | Index Kew. 1(1): 74 | 1902 |
| Liliaceae | |
Calochortus howellii
| S. Watson | Proc. Amer. Acad. Arts 23(2): 266–267 | 1888 |
| Liliaceae | |
Calochortus indecorus
| Ownbey & M. Peck | Leafl. W. Bot. 7(8): 191–192 | 1954 |
| Liliaceae | |
Calochortus × indecorus
| Ownbey & M. Peck | Leafl. W. Bot. 7: 191 | 1954 |
| Liliaceae | |
Calochortus invenustus
| Greene | Pittonia 2(8A): 71 | 1890 |
| Liliaceae | |
Calochortus kennedyi
| Porter | Bot. Gaz. 2(4): 79 | 1877 |
| Liliaceae | |
Calochortus lanternus
| Davidson | Bull. S. Calif. Acad. Sci. 23(4): 126 | 1924 |
| Liliaceae | |
Calochortus leichtlinii
| Hook. f. | Bot. Mag. 96: pl. 5862 | 1870 |
| Liliaceae | |
Calochortus lilacinus
| Kellogg | Proc. Calif. Acad. Sci. 2: 5 | 1863 |
| Liliaceae | |
Calochortus lobbii
| (Baker) Purdy | Proc. Calif. Acad. Sci., ser. 3, 2(4): 122 | 1901 |
| Liliaceae | |
Calochortus longebarbatus
| S. Watson | Proc. Amer. Acad. Arts 17: 381 | 1882 |
| Liliaceae | ! |
Calochortus luteus
| Douglas ex Lindl. | Edwards's Bot. Reg. 19: pl. 1567 | 1833 |
| Liliaceae | * |
Calochortus luteus
| Nutt. | J. Acad. Nat. Sci. Philadelphia 7(1): 53–54 | 1834 |
| Liliaceae | |
Calochortus lyallii
| Baker | J. Linn. Soc., Bot. 14(76): 305 | 1874 |
| Liliaceae | |
Calochortus lyonii
| S. Watson | Proc. Amer. Acad. Arts 21(2): 455 | 1886 |
| Liliaceae | |
Calochortus macrocarpus
| Douglas | Trans. Hort. Soc. London 7(2): 276–277, pl. 8 | 1828 |
| Liliaceae | |
Calochortus maculatus
| Eastw. | Leafl. W. Bot. 1(12): 133 | 1934 |
| Liliaceae | |
Calochortus maculosus
| A. Nelson & J.F. Macbr. | Bot. Gaz. 56(6): 471 | 1913 |
| Liliaceae | |
Calochortus madrensis
| S. Watson | Proc. Amer. Acad. Arts 23: 283 | 1888 |
| Liliaceae | |
Calochortus marcellae
| G.L. Nesom | Madroño 30(4): 250 | 1983 |
| Liliaceae | |
Calochortus maweanus
| Leichtlin ex Baker | J. Linn. Soc., Bot. 14(76): 305 | 1874 |
| Liliaceae | |
Calochortus mendozae
| Espejo, López-Ferr. & Ceja | Novon 15(2): 279–281, f. 1 | 2005 |
| Liliaceae | |
Calochortus minimus
| Ownbey | Ann. Missouri Bot. Gard. 27(4): 430–432, map 3 | 1940 |
| Liliaceae | |
Calochortus monanthus
| Ownbey | Ann. Missouri Bot. Gard. 27(4): 465, pl. 39. f. 3–4, map 5 | 1940 |
| Liliaceae | |
Calochortus monophyllus
| (Lindl.) Lem. | Fl. Serres Jard. Eur. 5: 430b | 1849 |
| Liliaceae | |
Calochortus montanus
| (Purdy) Davidson | Bull. S. Calif. Acad. Sci. 9(1): 54 | 1910 |
| Liliaceae | |
Calochortus multicolor
| García-Mend., D. Sandoval & C. Chávez | Acta Bot. Mex. 130 (e2188): 3–6, FIg. 1 & 2 | 2023 |
| Liliaceae | |
Calochortus nanus
| (Alph. Wood) Piper | Bull. Torrey Bot. Club 33: 537 | 1906 |
| Liliaceae | |
Calochortus nigrescens
| Ownbey | Ann. Missouri Bot. Gard. 27: 530, t. 40, f. 3–6 | 1940 |
| Liliaceae | * |
Calochortus nitidus
| Torr. | Pacif. Railr. Rep. Parke, Bot. 4: 146 | 1857 |
| Liliaceae | |
Calochortus nitidus
| Douglas | Trans. Hort. Soc. London 7(2): 277–278, pl. 9A | 1828 |
| Liliaceae | |
Calochortus nudus
| S. Watson | Proc. Amer. Acad. Arts 14: 263 | 1879 |
| Liliaceae | |
Calochortus nuttallii
| Torr. | Exped. Great Salt Lake 397 | 1852 |
| Liliaceae | |
Calochortus obispoensis
| Lemmon | Bot. Gaz. 11(7): 180–181 | 1886 |
| Liliaceae | |
Calochortus occidentalis
| M.A. García-Mart. & Aarón Rodr. | Phytotaxa 373(2): 133–137, f. 2–4 | 2018 |
| Liliaceae | |
Calochortus oculatus
| hort. | Gard. Chron., ser. 3 18: 14 | 1895 |
| Liliaceae | |
Calochortus ownbeyi
| M.A. García-Mart., Aarón Rodr. & H.P. McDonald | Phytotaxa 314(2): 242 | 2017 |
| Liliaceae | |
Calochortus pallidus
| Schult. f. | Syst. Veg. 7(2): 1533 | 1830 |
| Liliaceae | |
Calochortus palmeri
| S. Watson | Proc. Amer. Acad. Arts 14: 266 | 1879 |
| Liliaceae | |
Calochortus paludicola
| Davidson | Bull. S. Calif. Acad. Sci. 9(1): 53–54, pl. s.n. [pg. 52] | 1910 |
| Liliaceae | |
Calochortus panamintensis
| (Ownbey) Reveal | Intermount. Fl. 6: 501 | 1977 |
| Liliaceae | |
Calochortus parviflorus
| Nutt. ex Baker | J. Linn. Soc., Bot. 14(76): 306 | 1874 |
| Liliaceae | |
Calochortus pavonaceus
| Fernald | Bot. Gaz. 19(8): 335–336 | 1894 |
| Liliaceae | |
Calochortus persistens
| Ownbey | Ann. Missouri Bot. Gard. 27(4): 448–450, pl. 38, f. 1–2, map 4 | 1940 |
| Liliaceae | |
Calochortus plummerae
| Greene | Pittonia 2(8A): 70–71 | 1890 |
| Liliaceae | |
Calochortus pratensis
| (Purdy ex J.T. Howell) Hoover | Leafl. W. Bot. 2(16): 275 | 1940 |
| Liliaceae | |
Calochortus pringlei
| B.L. Rob. | Proc. Amer. Acad. Arts 36(26): 472 | 1901 |